[Boatanchors] One more point 120 vac Variac

[D C *Mac* Macdonald]

Hi, Jim.
 
I'd suspect that the voltage meter that
is on that device is not very accurate!
 
Use an accurate digital multimeter and
see what the ACTUAL output voltage is
compared with the input voltage from the
power line.

* * * * * * * * * * *
* 73 - Mac, K2GKK/5 *
* (Since 30 Nov 53) *
* Oklahoma City, OK *
* USAF, Ret (61-81) *
* * * * * * * * * * *
 


----------------------------------------
> From: w5jo at brightok.net
> To: boatanchors at mailman.qth.net
> Date: Tue, 14 Jun 2011 10:12:15 -0500
> Subject: Re: [Boatanchors] One more point 120 vac Variac
>
>
> I have a large unit that is sold by KRM. It has a voltage meter on it
> and the scale under the knob is marked VOLTS. However, as I check it
> with my meter, at 95 the meter reads 110 and so does the my meter across
> the output. At 110 the meter reads ~120. This is more like a % scale
> rather than a voltage readout on the scale. At full scale it is 130 and
> the voltage reads that on both scales.
>
> Jim/W5JO
>
>
>
> > ----- Original Message -----
>
> >
> > Not according to the General Radio catalogues. The dials
> > are calibrated in _volts_. There are two scales on most, one
> > on each side, for the two ranges. For 115V nominal Variacs
> > the ranges are 0-115 and 0-140V on the overvoltage side. >
> >
>
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html